Culver Duncan Ceramic Mug, 14-Ounce, Lime, Set of 4 Culver Duncan Ceramic Mug 14-Ounce Set of 4 Duncan mugs are sleekly shaped Contrasting colorful exterior with white interior, Glossy finish throughout Dishwasher safe, microwave safe Manufactured in China for Culver Industries, Inc. Hand inspected, packed, and distributed from Pittsburgh, PA